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WOPN complete

This commit is contained in:
James Alan Nguyen 2022-05-09 19:54:53 +10:00
parent 25abf4c733
commit f8ffe04869
1 changed files with 40 additions and 23 deletions
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43
src/engine/fileOpsIns.cpp
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@ -659,6 +659,7 @@ void DivEngine::loadOPLI(SafeReader& reader, std::vector<DivInstrument*>& ret, S
String insName = reader.readString(32);
insName = stringNotBlank(insName) ? insName : stripPath;
ins->name = insName;
// TODO adapt MIDI key offset to transpose?
reader.seek(7, SEEK_CUR); // skip MIDI params
uint8_t instTypeFlags = reader.readC(); // [0EEEDCBA] - see WOPL/OPLI spec
@ -746,6 +747,7 @@ void DivEngine::loadOPNI(SafeReader& reader, std::vector<DivInstrument*>& ret, S
if (!(version >= 2) || version > 0xF) {
// version 1 doesn't have a version field........
reader.seek(-2, SEEK_CUR);
version = 1;
}
reader.readC(); // skip isPerc
@ -754,6 +756,7 @@ void DivEngine::loadOPNI(SafeReader& reader, std::vector<DivInstrument*>& ret, S
String insName = reader.readString(32);
ins->name = stringNotBlank(insName) ? insName : stripPath;
// TODO adapt MIDI key offset to transpose?
if (!reader.seek(3, SEEK_CUR)) { // skip MIDI params
throw EndOfFileException(&reader, reader.tell() + 3);
}
@ -1398,6 +1401,7 @@ void DivEngine::loadWOPL(SafeReader& reader, std::vector<DivInstrument*>& ret, S
String insName = reader.readString(32);
insName = stringNotBlank(insName) ? insName : stripPath;
ins->name = insName;
// TODO adapt MIDI key offset to transpose?
reader.seek(7, SEEK_CUR); // skip MIDI params
uint8_t instTypeFlags = reader.readC(); // [0EEEDCBA] - see WOPL/OPLI spec
@ -1509,10 +1513,10 @@ void DivEngine::loadWOPN(SafeReader& reader, std::vector<DivInstrument*>& ret, S
total += (op.ssgEnv = ssgEg);
return total;
};
auto doParseWopnInstrument = [&](midibank_t*& metadata, int patchNum) {
auto doParseWopnInstrument = [&](bool isPerc, midibank_t*& metadata, int patchNum) {
DivInstrument* ins = new DivInstrument;
try {
int patchTotal = 0;
long patchTotal = 0;
ins->type = DIV_INS_FM;
ins->fm.ops = 4;
@ -1520,6 +1524,7 @@ void DivEngine::loadWOPN(SafeReader& reader, std::vector<DivInstrument*>& ret, S
String insName = reader.readString(32);
patchTotal += insName.size();
// TODO adapt MIDI key offset to transpose?
if (!reader.seek(3, SEEK_CUR)) { // skip MIDI params
throw EndOfFileException(&reader, reader.tell() + 3);
}
@ -1534,15 +1539,17 @@ void DivEngine::loadWOPN(SafeReader& reader, std::vector<DivInstrument*>& ret, S
}
if (version >= 2) {
patchTotal += reader.readS_BE(); // skip keyon delay
patchTotal += reader.readS_BE(); // skip keyoff delay
reader.readS_BE(); // skip keyon delay
reader.readS_BE(); // skip keyoff delay
}
if (patchTotal > 0) {
// Write instrument
// TODO: OPN2BankEditor hardcodes GM1 Melodic patch names which are not included in the bank file......
ins->name = stringNotBlank(insName)
? insName
: fmt::sprintf("%s[%d/%d] Patch %d", stripPath, metadata->bankMsb, metadata->bankLsb, patchNum);
: fmt::sprintf("%s[%s] %s Patch %d",
stripPath, metadata->name, (isPerc) ? "Drum" : "Melodic", patchNum);
ret.push_back(ins);
++readCount;
} else {
@ -1565,13 +1572,14 @@ void DivEngine::loadWOPN(SafeReader& reader, std::vector<DivInstrument*>& ret, S
if (!(version >= 2) || version > 0xF) {
// version 1 doesn't have a version field........
reader.seek(-2, SEEK_CUR);
version = 1;
}
if (version >= 2) {
meloBankCount = reader.readS_BE();
percBankCount = reader.readS_BE();
reader.readC(); // skip chip-global LFO
if (version >= 2) {
for (int i = 0; i < meloBankCount; ++i) {
meloMetadata.push_back(new midibank_t);
String bankName = reader.readString(32);
@ -1579,7 +1587,7 @@ void DivEngine::loadWOPN(SafeReader& reader, std::vector<DivInstrument*>& ret, S
meloMetadata[i]->bankMsb = reader.readC();
meloMetadata[i]->name = stringNotBlank(bankName)
? bankName
: fmt::sprintf("Bank[%d/%d]", meloMetadata[i]->bankMsb, meloMetadata[i]->bankLsb);
: fmt::sprintf("%d/%d", meloMetadata[i]->bankMsb, meloMetadata[i]->bankLsb);
}
for (int i = 0; i < percBankCount; ++i) {
@ -1589,23 +1597,32 @@ void DivEngine::loadWOPN(SafeReader& reader, std::vector<DivInstrument*>& ret, S
percMetadata[i]->bankMsb = reader.readC();
percMetadata[i]->name = stringNotBlank(bankName)
? bankName
: fmt::sprintf("Bank[%d/%d]", percMetadata[i]->bankMsb, percMetadata[i]->bankLsb);
: fmt::sprintf("%d/%d", percMetadata[i]->bankMsb, percMetadata[i]->bankLsb);
}
} else {
// TODO do version 1 multibank sets even exist?
meloMetadata.push_back(new midibank_t);
meloMetadata[0]->bankLsb = 0;
meloMetadata[0]->bankMsb = 0;
meloMetadata[0]->name = "0/0";
percMetadata.push_back(new midibank_t);
percMetadata[0]->bankLsb = 0;
percMetadata[0]->bankMsb = 0;
percMetadata[0]->name = "0/0";
}
for (int i = 0; i < meloBankCount; ++i) {
for (int j = 0; j < 128; ++j) {
doParseWopnInstrument(meloMetadata[i], j);
doParseWopnInstrument(false, meloMetadata[i], j);
}
}
for (int i = 0; i < percBankCount; ++i) {
for (int j = 0; j < 128; ++j) {
doParseWopnInstrument(percMetadata[i], j);
doParseWopnInstrument(true, percMetadata[i], j);
}
}
}
}
}
catch (EndOfFileException& e) {
} catch (EndOfFileException& e) {
lastError = "premature end of file";
logE("premature end of file");
}